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Finding the Fourth Proportional to 152,592.64, 210,584.56 and 84,605.28

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Solution

The fourth proportional to 152,592.64, 210,584.56 and 84,605.28 is: 116,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,592.64 : 210,584.56 = 84,605.28 : x
  2. Step 2: Convert to fraction form
    152,592.64/210,584.56 = 84,605.28/x
  3. Step 3: Cross multiply
    152,592.64x = 210,584.56 × 84,605.28
  4. Step 4: Simplify right side
    152,592.64x = 17,816,565,662.48
  5. Step 5: Solve for x
    x = 17,816,565,662.48/152,592.64
  6. Step 6: Final answer
    x = 116,759.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.